Base | Representation |
---|---|
bin | 10010001111001101111000… |
… | …110111100011101000000101 |
3 | 101112000001102120220222201210 |
4 | 102033031320313203220011 |
5 | 41003132142233120230 |
6 | 442332114144042033 |
7 | 22616010002234046 |
oct | 2217157067435005 |
9 | 345001376828653 |
10 | 80210542082565 |
11 | 23615110a14a74 |
12 | 8bb5410303319 |
13 | 359aa8b26936b |
14 | 15b42d4bc68cd |
15 | 9416d8647eb0 |
hex | 48f378de3a05 |
80210542082565 has 16 divisors (see below), whose sum is σ = 133916731129728. Its totient is φ = 40919001178176.
The previous prime is 80210542082557. The next prime is 80210542082569. The reversal of 80210542082565 is 56528024501208.
It is not a de Polignac number, because 80210542082565 - 23 = 80210542082557 is a prime.
It is a super-2 number, since 2×802105420825652 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80210542082569) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116247162094 + ... + 116247162783.
It is an arithmetic number, because the mean of its divisors is an integer number (8369795695608).
Almost surely, 280210542082565 is an apocalyptic number.
It is an amenable number.
80210542082565 is a deficient number, since it is larger than the sum of its proper divisors (53706189047163).
80210542082565 is a wasteful number, since it uses less digits than its factorization.
80210542082565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232494324908.
The product of its (nonzero) digits is 1536000, while the sum is 48.
The spelling of 80210542082565 in words is "eighty trillion, two hundred ten billion, five hundred forty-two million, eighty-two thousand, five hundred sixty-five".
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